Ticket #59480: 59480.diff

src/wp-includes/class-wp-customize-manager.php

@@ -2089 +2089 @@
                 ?>
                 <script>
                 ( function() {
-                        var urlParser, oldQueryParams, newQueryParams, i;
                         if ( parent !== window ) {
                                 return;
                         }
-                        urlParser = document.createElement( 'a' );
-                        urlParser.href = location.href;
-                        oldQueryParams = urlParser.search.substr( 1 ).split( /&/ );
-                        newQueryParams = [];
-                        for ( i = 0; i < oldQueryParams.length; i += 1 ) {
-                                if ( ! /^customize_messenger_channel=/.test( oldQueryParams[ i ] ) ) {
-                                        newQueryParams.push( oldQueryParams[ i ] );
-                                }
-                        }
-                        urlParser.search = newQueryParams.join( '&' );
-                        if ( urlParser.search !== location.search ) {
-                                location.replace( urlParser.href );
+                        const url = new URL( location.href );
+                        if ( url.searchParams.has( 'customize_messenger_channel' ) ) {
+                                url.searchParams.delete( 'customize_messenger_channel' );
+                                location.replace( url );
                         }
                 } )();
                 </script>